files/file.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 John Burton
   5  * Copyright 1996 Alexandre Julliard
   6  *
   7  * TODO:
   8  *    Fix the CopyFileEx methods to implement the "extented" functionality.
   9  *    Right now, they simply call the CopyFile method.
  10  */
  11
  12 #include "config.h"
  13
  14 #include <assert.h>
  15 #include <ctype.h>
  16 #include <errno.h>
  17 #include <fcntl.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #ifdef HAVE_SYS_ERRNO_H
  21 #include <sys/errno.h>
  22 #endif
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #ifdef HAVE_SYS_MMAN_H
  26 #include <sys/mman.h>
  27 #endif
  28 #include <sys/time.h>
  29 #include <time.h>
  30 #include <unistd.h>
  31 #include <utime.h>
  32
  33 #include "winerror.h"
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "wine/winbase16.h"
  37 #include "wine/winestring.h"
  38 #include "drive.h"
  39 #include "device.h"
  40 #include "file.h"
  41 #include "global.h"
  42 #include "heap.h"
  43 #include "msdos.h"
  44 #include "options.h"
  45 #include "ldt.h"
  46 #include "process.h"
  47 #include "task.h"
  48 #include "wincon.h"
  49 #include "debugtools.h"
  50
  51 #include "server.h"
  52
  53 DEFAULT_DEBUG_CHANNEL(file)
  54
  55 #if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
  56 #define MAP_ANON MAP_ANONYMOUS
  57 #endif
  58
  59 /* Size of per-process table of DOS handles */
  60 #define DOS_TABLE_SIZE 256
  61
  62
  63 /***********************************************************************
  64  *              FILE_ConvertOFMode
  65  *
  66  * Convert OF_* mode into flags for CreateFile.
  67  */
  68 static void FILE_ConvertOFMode( INT mode, DWORD *access, DWORD *sharing )
  69 {
  70     switch(mode & 0x03)
  71     {
  72     case OF_READ:      *access = GENERIC_READ; break;
  73     case OF_WRITE:     *access = GENERIC_WRITE; break;
  74     case OF_READWRITE: *access = GENERIC_READ | GENERIC_WRITE; break;
  75     default:           *access = 0; break;
  76     }
  77     switch(mode & 0x70)
  78     {
  79     case OF_SHARE_EXCLUSIVE:  *sharing = 0; break;
  80     case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
  81     case OF_SHARE_DENY_READ:  *sharing = FILE_SHARE_WRITE; break;
  82     case OF_SHARE_DENY_NONE:
  83     case OF_SHARE_COMPAT:
  84     default:                  *sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
  85     }
  86 }
  87
  88
  89 #if 0
  90 /***********************************************************************
  91  *              FILE_ShareDeny
  92  *
  93  * PARAMS
  94  *       oldmode[I] mode how file was first opened
  95  *       mode[I] mode how the file should get opened
  96  * RETURNS
  97  *      TRUE: deny open
  98  *      FALSE: allow open
  99  *
 100  * Look what we have to do with the given SHARE modes
 101  *
 102  * Ralph Brown's interrupt list gives following explication, I guess
 103  * the same holds for Windows, DENY ALL should be OF_SHARE_COMPAT
 104  *
 105  * FIXME: Validate this function
 106 ========from Ralph Brown's list =========
 107 (Table 0750)
 108 Values of DOS file sharing behavior:
 109           |     Second and subsequent Opens
 110  First    |Compat  Deny   Deny   Deny   Deny
 111  Open     |        All    Write  Read   None
 112           |R W RW R W RW R W RW R W RW R W RW
 113  - - - - -| - - - - - - - - - - - - - - - - -
 114  Compat R |Y Y Y  N N N  1 N N  N N N  1 N N
 115         W |Y Y Y  N N N  N N N  N N N  N N N
 116         RW|Y Y Y  N N N  N N N  N N N  N N N
 117  - - - - -|
 118  Deny   R |C C C  N N N  N N N  N N N  N N N
 119  All    W |C C C  N N N  N N N  N N N  N N N
 120         RW|C C C  N N N  N N N  N N N  N N N
 121  - - - - -|
 122  Deny   R |2 C C  N N N  Y N N  N N N  Y N N
 123  Write  W |C C C  N N N  N N N  Y N N  Y N N
 124         RW|C C C  N N N  N N N  N N N  Y N N
 125  - - - - -|
 126  Deny   R |C C C  N N N  N Y N  N N N  N Y N
 127  Read   W |C C C  N N N  N N N  N Y N  N Y N
 128         RW|C C C  N N N  N N N  N N N  N Y N
 129  - - - - -|
 130  Deny   R |2 C C  N N N  Y Y Y  N N N  Y Y Y
 131  None   W |C C C  N N N  N N N  Y Y Y  Y Y Y
 132         RW|C C C  N N N  N N N  N N N  Y Y Y
 133 Legend: Y = open succeeds, N = open fails with error code 05h
 134         C = open fails, INT 24 generated
 135         1 = open succeeds if file read-only, else fails with error code
 136         2 = open succeeds if file read-only, else fails with INT 24
 137 ========end of description from Ralph Brown's List =====
 138         For every "Y" in the table we return FALSE
 139         For every "N" we set the DOS_ERROR and return TRUE
 140         For all other cases we barf,set the DOS_ERROR and return TRUE
 141
 142  */
 143 static BOOL FILE_ShareDeny( int mode, int oldmode)
 144 {
 145   int oldsharemode = oldmode & 0x70;
 146   int sharemode    =    mode & 0x70;
 147   int oldopenmode  = oldmode & 3;
 148   int openmode     =    mode & 3;
 149
 150   switch (oldsharemode)
 151     {
 152     case OF_SHARE_COMPAT:
 153       if (sharemode == OF_SHARE_COMPAT) return FALSE;
 154       if (openmode  == OF_READ) goto test_ro_err05 ;
 155       goto fail_error05;
 156     case OF_SHARE_EXCLUSIVE:
 157       if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 158       goto fail_error05;
 159     case OF_SHARE_DENY_WRITE:
 160       if (openmode  != OF_READ)
 161         {
 162           if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 163           goto fail_error05;
 164         }
 165       switch (sharemode)
 166         {
 167         case OF_SHARE_COMPAT:
 168           if (oldopenmode == OF_READ) goto test_ro_int24 ;
 169           goto fail_int24;
 170         case OF_SHARE_DENY_NONE :
 171           return FALSE;
 172         case OF_SHARE_DENY_WRITE :
 173           if (oldopenmode == OF_READ) return FALSE;
 174         case OF_SHARE_DENY_READ :
 175           if (oldopenmode == OF_WRITE) return FALSE;
 176         case OF_SHARE_EXCLUSIVE:
 177         default:
 178           goto fail_error05;
 179         }
 180       break;
 181     case OF_SHARE_DENY_READ:
 182       if (openmode  != OF_WRITE)
 183         {
 184           if (sharemode == OF_SHARE_COMPAT) goto fail_int24;
 185           goto fail_error05;
 186         }
 187       switch (sharemode)
 188         {
 189         case OF_SHARE_COMPAT:
 190           goto fail_int24;
 191         case OF_SHARE_DENY_NONE :
 192           return FALSE;
 193         case OF_SHARE_DENY_WRITE :
 194           if (oldopenmode == OF_READ) return FALSE;
 195         case OF_SHARE_DENY_READ :
 196           if (oldopenmode == OF_WRITE) return FALSE;
 197         case OF_SHARE_EXCLUSIVE:
 198         default:
 199           goto fail_error05;
 200         }
 201       break;
 202     case OF_SHARE_DENY_NONE:
 203       switch (sharemode)
 204         {
 205         case OF_SHARE_COMPAT:
 206           goto fail_int24;
 207         case OF_SHARE_DENY_NONE :
 208           return FALSE;
 209         case OF_SHARE_DENY_WRITE :
 210           if (oldopenmode == OF_READ) return FALSE;
 211         case OF_SHARE_DENY_READ :
 212           if (oldopenmode == OF_WRITE) return FALSE;
 213         case OF_SHARE_EXCLUSIVE:
 214         default:
 215           goto fail_error05;
 216         }
 217     default:
 218       ERR("unknown mode\n");
 219     }
 220   ERR("shouldn't happen\n");
 221   ERR("Please report to bon@elektron.ikp.physik.tu-darmstadt.de\n");
 222   return TRUE;
 223
 224 test_ro_int24:
 225   if (oldmode == OF_READ)
 226     return FALSE;
 227   /* Fall through */
 228 fail_int24:
 229   FIXME("generate INT24 missing\n");
 230   /* Is this the right error? */
 231   SetLastError( ERROR_ACCESS_DENIED );
 232   return TRUE;
 233
 234 test_ro_err05:
 235   if (oldmode == OF_READ)
 236     return FALSE;
 237   /* fall through */
 238 fail_error05:
 239   TRACE("Access Denied, oldmode 0x%02x mode 0x%02x\n",oldmode,mode);
 240   SetLastError( ERROR_ACCESS_DENIED );
 241   return TRUE;
 242 }
 243 #endif
 244
 245
 246 /***********************************************************************
 247  *           FILE_SetDosError
 248  *
 249  * Set the DOS error code from errno.
 250  */
 251 void FILE_SetDosError(void)
 252 {
 253     int save_errno = errno; /* errno gets overwritten by printf */
 254
 255     TRACE("errno = %d %s\n", errno, strerror(errno));
 256     switch (save_errno)
 257     {
 258     case EAGAIN:
 259         SetLastError( ERROR_SHARING_VIOLATION );
 260         break;
 261     case EBADF:
 262         SetLastError( ERROR_INVALID_HANDLE );
 263         break;
 264     case ENOSPC:
 265         SetLastError( ERROR_HANDLE_DISK_FULL );
 266         break;
 267     case EACCES:
 268     case EPERM:
 269     case EROFS:
 270         SetLastError( ERROR_ACCESS_DENIED );
 271         break;
 272     case EBUSY:
 273         SetLastError( ERROR_LOCK_VIOLATION );
 274         break;
 275     case ENOENT:
 276         SetLastError( ERROR_FILE_NOT_FOUND );
 277         break;
 278     case EISDIR:
 279         SetLastError( ERROR_CANNOT_MAKE );
 280         break;
 281     case ENFILE:
 282     case EMFILE:
 283         SetLastError( ERROR_NO_MORE_FILES );
 284         break;
 285     case EEXIST:
 286         SetLastError( ERROR_FILE_EXISTS );
 287         break;
 288     case EINVAL:
 289     case ESPIPE:
 290         SetLastError( ERROR_SEEK );
 291         break;
 292     case ENOTEMPTY:
 293         SetLastError( ERROR_DIR_NOT_EMPTY );
 294         break;
 295     default:
 296         perror( "int21: unknown errno" );
 297         SetLastError( ERROR_GEN_FAILURE );
 298         break;
 299     }
 300     errno = save_errno;
 301 }
 302
 303
 304 /***********************************************************************
 305  *           FILE_DupUnixHandle
 306  *
 307  * Duplicate a Unix handle into a task handle.
 308  */
 309 HFILE FILE_DupUnixHandle( int fd, DWORD access )
 310 {
 311     int unix_handle;
 312     struct alloc_file_handle_request *req = get_req_buffer();
 313
 314     if ((unix_handle = dup(fd)) == -1)
 315     {
 316         FILE_SetDosError();
 317         return INVALID_HANDLE_VALUE;
 318     }
 319     req->access  = access;
 320     server_call_fd( REQ_ALLOC_FILE_HANDLE, unix_handle, NULL );
 321     return req->handle;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           FILE_CreateFile
 327  *
 328  * Implementation of CreateFile. Takes a Unix path name.
 329  */
 330 HANDLE FILE_CreateFile( LPCSTR filename, DWORD access, DWORD sharing,
 331                          LPSECURITY_ATTRIBUTES sa, DWORD creation,
 332                          DWORD attributes, HANDLE template )
 333 {
 334     struct create_file_request *req = get_req_buffer();
 335
 336     req->access  = access;
 337     req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 338     req->sharing = sharing;
 339     req->create  = creation;
 340     req->attrs   = attributes;
 341     lstrcpynA( req->name, filename, server_remaining(req->name) );
 342     SetLastError(0);
 343     server_call( REQ_CREATE_FILE );
 344
 345     /* If write access failed, retry without GENERIC_WRITE */
 346
 347     if ((req->handle == -1) && !Options.failReadOnly &&
 348         (access & GENERIC_WRITE))
 349     {
 350         DWORD lasterror = GetLastError();
 351         if ((lasterror == ERROR_ACCESS_DENIED) || (lasterror == ERROR_WRITE_PROTECT))
 352             return FILE_CreateFile( filename, access & ~GENERIC_WRITE, sharing,
 353                                     sa, creation, attributes, template );
 354     }
 355     return req->handle;
 356 }
 357
 358
 359 /***********************************************************************
 360  *           FILE_CreateDevice
 361  *
 362  * Same as FILE_CreateFile but for a device
 363  */
 364 HFILE FILE_CreateDevice( int client_id, DWORD access, LPSECURITY_ATTRIBUTES sa )
 365 {
 366     struct create_device_request *req = get_req_buffer();
 367
 368     req->access  = access;
 369     req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
 370     req->id      = client_id;
 371     SetLastError(0);
 372     server_call( REQ_CREATE_DEVICE );
 373     return req->handle;
 374 }
 375
 376
 377 /*************************************************************************
 378  * CreateFile32A [KERNEL32.45]  Creates or opens a file or other object
 379  *
 380  * Creates or opens an object, and returns a handle that can be used to
 381  * access that object.
 382  *
 383  * PARAMS
 384  *
 385  * filename     [I] pointer to filename to be accessed
 386  * access       [I] access mode requested
 387  * sharing      [I] share mode
 388  * sa           [I] pointer to security attributes
 389  * creation     [I] how to create the file
 390  * attributes   [I] attributes for newly created file
 391  * template     [I] handle to file with extended attributes to copy
 392  *
 393  * RETURNS
 394  *   Success: Open handle to specified file
 395  *   Failure: INVALID_HANDLE_VALUE
 396  *
 397  * NOTES
 398  *  Should call SetLastError() on failure.
 399  *
 400  * BUGS
 401  *
 402  * Doesn't support character devices, pipes, template files, or a
 403  * lot of the 'attributes' flags yet.
 404  */
 405 HANDLE WINAPI CreateFileA( LPCSTR filename, DWORD access, DWORD sharing,
 406                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 407                               DWORD attributes, HANDLE template )
 408 {
 409     DOS_FULL_NAME full_name;
 410
 411     if (!filename)
 412     {
 413         SetLastError( ERROR_INVALID_PARAMETER );
 414         return HFILE_ERROR;
 415     }
 416     TRACE("%s %s%s%s%s%s%s%s\n",filename,
 417           ((access & GENERIC_READ)==GENERIC_READ)?"GENERIC_READ ":"",
 418           ((access & GENERIC_WRITE)==GENERIC_WRITE)?"GENERIC_WRITE ":"",
 419           (!access)?"QUERY_ACCESS ":"",
 420           ((sharing & FILE_SHARE_READ)==FILE_SHARE_READ)?"FILE_SHARE_READ ":"",
 421           ((sharing & FILE_SHARE_WRITE)==FILE_SHARE_WRITE)?"FILE_SHARE_WRITE ":"",
 422           ((sharing & FILE_SHARE_DELETE)==FILE_SHARE_DELETE)?"FILE_SHARE_DELETE ":"",
 423           (creation ==CREATE_NEW)?"CREATE_NEW":
 424           (creation ==CREATE_ALWAYS)?"CREATE_ALWAYS ":
 425           (creation ==OPEN_EXISTING)?"OPEN_EXISTING ":
 426           (creation ==OPEN_ALWAYS)?"OPEN_ALWAYS ":
 427           (creation ==TRUNCATE_EXISTING)?"TRUNCATE_EXISTING ":"");
 428
 429     /* If the name starts with '\\?\', ignore the first 4 chars. */
 430     if (!strncmp(filename, "\\\\?\\", 4))
 431     {
 432         filename += 4;
 433         if (!strncmp(filename, "UNC\\", 4))
 434         {
 435             FIXME("UNC name (%s) not supported.\n", filename );
 436             SetLastError( ERROR_PATH_NOT_FOUND );
 437             return HFILE_ERROR;
 438         }
 439     }
 440
 441     if (!strncmp(filename, "\\\\.\\", 4))
 442         return DEVICE_Open( filename+4, access, sa );
 443
 444     /* If the name still starts with '\\', it's a UNC name. */
 445     if (!strncmp(filename, "\\\\", 2))
 446     {
 447         FIXME("UNC name (%s) not supported.\n", filename );
 448         SetLastError( ERROR_PATH_NOT_FOUND );
 449         return HFILE_ERROR;
 450     }
 451
 452     /* If the name contains a DOS wild card (* or ?), do no create a file */
 453     if(strchr(filename,'*') || strchr(filename,'?'))
 454         return HFILE_ERROR;
 455
 456     /* Open a console for CONIN$ or CONOUT$ */
 457     if (!lstrcmpiA(filename, "CONIN$")) return CONSOLE_OpenHandle( FALSE, access, sa );
 458     if (!lstrcmpiA(filename, "CONOUT$")) return CONSOLE_OpenHandle( TRUE, access, sa );
 459
 460     if (DOSFS_GetDevice( filename ))
 461     {
 462         HFILE   ret;
 463
 464         TRACE("opening device '%s'\n", filename );
 465
 466         if (HFILE_ERROR!=(ret=DOSFS_OpenDevice( filename, access )))
 467                 return ret;
 468
 469         /* Do not silence this please. It is a critical error. -MM */
 470         ERR("Couldn't open device '%s'!\n",filename);
 471         SetLastError( ERROR_FILE_NOT_FOUND );
 472         return HFILE_ERROR;
 473     }
 474
 475     /* check for filename, don't check for last entry if creating */
 476     if (!DOSFS_GetFullName( filename,
 477                (creation == OPEN_EXISTING) || (creation == TRUNCATE_EXISTING), &full_name ))
 478         return HFILE_ERROR;
 479
 480     return FILE_CreateFile( full_name.long_name, access, sharing,
 481                             sa, creation, attributes, template );
 482 }
 483
 484
 485
 486 /*************************************************************************
 487  *              CreateFile32W              (KERNEL32.48)
 488  */
 489 HANDLE WINAPI CreateFileW( LPCWSTR filename, DWORD access, DWORD sharing,
 490                               LPSECURITY_ATTRIBUTES sa, DWORD creation,
 491                               DWORD attributes, HANDLE template)
 492 {
 493     LPSTR afn = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 494     HANDLE res = CreateFileA( afn, access, sharing, sa, creation, attributes, template );
 495     HeapFree( GetProcessHeap(), 0, afn );
 496     return res;
 497 }
 498
 499
 500 /***********************************************************************
 501  *           FILE_FillInfo
 502  *
 503  * Fill a file information from a struct stat.
 504  */
 505 static void FILE_FillInfo( struct stat *st, BY_HANDLE_FILE_INFORMATION *info )
 506 {
 507     if (S_ISDIR(st->st_mode))
 508         info->dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
 509     else
 510         info->dwFileAttributes = FILE_ATTRIBUTE_ARCHIVE;
 511     if (!(st->st_mode & S_IWUSR))
 512         info->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
 513
 514     DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftCreationTime, 0 );
 515     DOSFS_UnixTimeToFileTime( st->st_mtime, &info->ftLastWriteTime, 0 );
 516     DOSFS_UnixTimeToFileTime( st->st_atime, &info->ftLastAccessTime, 0 );
 517
 518     info->dwVolumeSerialNumber = 0;  /* FIXME */
 519     info->nFileSizeHigh = 0;
 520     info->nFileSizeLow  = S_ISDIR(st->st_mode) ? 0 : st->st_size;
 521     info->nNumberOfLinks = st->st_nlink;
 522     info->nFileIndexHigh = 0;
 523     info->nFileIndexLow  = st->st_ino;
 524 }
 525
 526
 527 /***********************************************************************
 528  *           FILE_Stat
 529  *
 530  * Stat a Unix path name. Return TRUE if OK.
 531  */
 532 BOOL FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info )
 533 {
 534     struct stat st;
 535
 536     if (!unixName || !info) return FALSE;
 537
 538     if (stat( unixName, &st ) == -1)
 539     {
 540         FILE_SetDosError();
 541         return FALSE;
 542     }
 543     FILE_FillInfo( &st, info );
 544     return TRUE;
 545 }
 546
 547
 548 /***********************************************************************
 549  *             GetFileInformationByHandle   (KERNEL32.219)
 550  */
 551 DWORD WINAPI GetFileInformationByHandle( HANDLE hFile,
 552                                          BY_HANDLE_FILE_INFORMATION *info )
 553 {
 554     struct get_file_info_request *req = get_req_buffer();
 555
 556     if (!info) return 0;
 557     req->handle = hFile;
 558     if (server_call( REQ_GET_FILE_INFO )) return 0;
 559     DOSFS_UnixTimeToFileTime( req->write_time, &info->ftCreationTime, 0 );
 560     DOSFS_UnixTimeToFileTime( req->write_time, &info->ftLastWriteTime, 0 );
 561     DOSFS_UnixTimeToFileTime( req->access_time, &info->ftLastAccessTime, 0 );
 562     info->dwFileAttributes     = req->attr;
 563     info->dwVolumeSerialNumber = req->serial;
 564     info->nFileSizeHigh        = req->size_high;
 565     info->nFileSizeLow         = req->size_low;
 566     info->nNumberOfLinks       = req->links;
 567     info->nFileIndexHigh       = req->index_high;
 568     info->nFileIndexLow        = req->index_low;
 569     return 1;
 570 }
 571
 572
 573 /**************************************************************************
 574  *           GetFileAttributes16   (KERNEL.420)
 575  */
 576 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 577 {
 578     return GetFileAttributesA( name );
 579 }
 580
 581
 582 /**************************************************************************
 583  *           GetFileAttributes32A   (KERNEL32.217)
 584  */
 585 DWORD WINAPI GetFileAttributesA( LPCSTR name )
 586 {
 587     DOS_FULL_NAME full_name;
 588     BY_HANDLE_FILE_INFORMATION info;
 589
 590     if (name == NULL || *name=='\0') return -1;
 591
 592     if (!DOSFS_GetFullName( name, TRUE, &full_name )) return -1;
 593     if (!FILE_Stat( full_name.long_name, &info )) return -1;
 594     return info.dwFileAttributes;
 595 }
 596
 597
 598 /**************************************************************************
 599  *           GetFileAttributes32W   (KERNEL32.218)
 600  */
 601 DWORD WINAPI GetFileAttributesW( LPCWSTR name )
 602 {
 603     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
 604     DWORD res = GetFileAttributesA( nameA );
 605     HeapFree( GetProcessHeap(), 0, nameA );
 606     return res;
 607 }
 608
 609
 610 /***********************************************************************
 611  *           GetFileSize   (KERNEL32.220)
 612  */
 613 DWORD WINAPI GetFileSize( HANDLE hFile, LPDWORD filesizehigh )
 614 {
 615     BY_HANDLE_FILE_INFORMATION info;
 616     if (!GetFileInformationByHandle( hFile, &info )) return 0;
 617     if (filesizehigh) *filesizehigh = info.nFileSizeHigh;
 618     return info.nFileSizeLow;
 619 }
 620
 621
 622 /***********************************************************************
 623  *           GetFileTime   (KERNEL32.221)
 624  */
 625 BOOL WINAPI GetFileTime( HANDLE hFile, FILETIME *lpCreationTime,
 626                            FILETIME *lpLastAccessTime,
 627                            FILETIME *lpLastWriteTime )
 628 {
 629     BY_HANDLE_FILE_INFORMATION info;
 630     if (!GetFileInformationByHandle( hFile, &info )) return FALSE;
 631     if (lpCreationTime)   *lpCreationTime   = info.ftCreationTime;
 632     if (lpLastAccessTime) *lpLastAccessTime = info.ftLastAccessTime;
 633     if (lpLastWriteTime)  *lpLastWriteTime  = info.ftLastWriteTime;
 634     return TRUE;
 635 }
 636
 637 /***********************************************************************
 638  *           CompareFileTime   (KERNEL32.28)
 639  */
 640 INT WINAPI CompareFileTime( LPFILETIME x, LPFILETIME y )
 641 {
 642         if (!x || !y) return -1;
 643
 644         if (x->dwHighDateTime > y->dwHighDateTime)
 645                 return 1;
 646         if (x->dwHighDateTime < y->dwHighDateTime)
 647                 return -1;
 648         if (x->dwLowDateTime > y->dwLowDateTime)
 649                 return 1;
 650         if (x->dwLowDateTime < y->dwLowDateTime)
 651                 return -1;
 652         return 0;
 653 }
 654
 655 /***********************************************************************
 656  *           FILE_GetTempFileName : utility for GetTempFileName
 657  */
 658 static UINT FILE_GetTempFileName( LPCSTR path, LPCSTR prefix, UINT unique,
 659                                   LPSTR buffer, BOOL isWin16 )
 660 {
 661     static UINT unique_temp;
 662     DOS_FULL_NAME full_name;
 663     int i;
 664     LPSTR p;
 665     UINT num;
 666
 667     if ( !path || !prefix || !buffer ) return 0;
 668
 669     if (!unique_temp) unique_temp = time(NULL) & 0xffff;
 670     num = unique ? (unique & 0xffff) : (unique_temp++ & 0xffff);
 671
 672     strcpy( buffer, path );
 673     p = buffer + strlen(buffer);
 674
 675     /* add a \, if there isn't one and path is more than just the drive letter ... */
 676     if ( !((strlen(buffer) == 2) && (buffer[1] == ':'))
 677         && ((p == buffer) || (p[-1] != '\\'))) *p++ = '\\';
 678
 679     if (isWin16) *p++ = '~';
 680     for (i = 3; (i > 0) && (*prefix); i--) *p++ = *prefix++;
 681     sprintf( p, "%04x.tmp", num );
 682
 683     /* Now try to create it */
 684
 685     if (!unique)
 686     {
 687         do
 688         {
 689             HFILE handle = CreateFileA( buffer, GENERIC_WRITE, 0, NULL,
 690                                             CREATE_NEW, FILE_ATTRIBUTE_NORMAL, -1 );
 691             if (handle != INVALID_HANDLE_VALUE)
 692             {  /* We created it */
 693                 TRACE("created %s\n",
 694                               buffer);
 695                 CloseHandle( handle );
 696                 break;
 697             }
 698             if (GetLastError() != ERROR_FILE_EXISTS)
 699                 break;  /* No need to go on */
 700             num++;
 701             sprintf( p, "%04x.tmp", num );
 702         } while (num != (unique & 0xffff));
 703     }
 704
 705     /* Get the full path name */
 706
 707     if (DOSFS_GetFullName( buffer, FALSE, &full_name ))
 708     {
 709         /* Check if we have write access in the directory */
 710         if ((p = strrchr( full_name.long_name, '/' ))) *p = '\0';
 711         if (access( full_name.long_name, W_OK ) == -1)
 712             WARN("returns '%s', which doesn't seem to be writeable.\n",
 713                  buffer);
 714     }
 715     TRACE("returning %s\n", buffer );
 716     return unique ? unique : num;
 717 }
 718
 719
 720 /***********************************************************************
 721  *           GetTempFileName32A   (KERNEL32.290)
 722  */
 723 UINT WINAPI GetTempFileNameA( LPCSTR path, LPCSTR prefix, UINT unique,
 724                                   LPSTR buffer)
 725 {
 726     return FILE_GetTempFileName(path, prefix, unique, buffer, FALSE);
 727 }
 728
 729 /***********************************************************************
 730  *           GetTempFileName32W   (KERNEL32.291)
 731  */
 732 UINT WINAPI GetTempFileNameW( LPCWSTR path, LPCWSTR prefix, UINT unique,
 733                                   LPWSTR buffer )
 734 {
 735     LPSTR   patha,prefixa;
 736     char    buffera[144];
 737     UINT  ret;
 738
 739     if (!path) return 0;
 740     patha   = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
 741     prefixa = HEAP_strdupWtoA( GetProcessHeap(), 0, prefix );
 742     ret     = FILE_GetTempFileName( patha, prefixa, unique, buffera, FALSE );
 743     lstrcpyAtoW( buffer, buffera );
 744     HeapFree( GetProcessHeap(), 0, patha );
 745     HeapFree( GetProcessHeap(), 0, prefixa );
 746     return ret;
 747 }
 748
 749
 750 /***********************************************************************
 751  *           GetTempFileName16   (KERNEL.97)
 752  */
 753 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 754                                  LPSTR buffer )
 755 {
 756     char temppath[144];
 757
 758     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 759         drive |= DRIVE_GetCurrentDrive() + 'A';
 760
 761     if ((drive & TF_FORCEDRIVE) &&
 762         !DRIVE_IsValid( toupper(drive & ~TF_FORCEDRIVE) - 'A' ))
 763     {
 764         drive &= ~TF_FORCEDRIVE;
 765         WARN("invalid drive %d specified\n", drive );
 766     }
 767
 768     if (drive & TF_FORCEDRIVE)
 769         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 770     else
 771         GetTempPathA( 132, temppath );
 772     return (UINT16)FILE_GetTempFileName( temppath, prefix, unique, buffer, TRUE );
 773 }
 774
 775 /***********************************************************************
 776  *           FILE_DoOpenFile
 777  *
 778  * Implementation of OpenFile16() and OpenFile32().
 779  */
 780 static HFILE FILE_DoOpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode,
 781                                 BOOL win32 )
 782 {
 783     HFILE hFileRet;
 784     FILETIME filetime;
 785     WORD filedatetime[2];
 786     DOS_FULL_NAME full_name;
 787     DWORD access, sharing;
 788     char *p;
 789
 790     if (!ofs) return HFILE_ERROR;
 791
 792     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",name,
 793           ((mode & 0x3 )==OF_READ)?"OF_READ":
 794           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
 795           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
 796           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
 797           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
 798           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
 799           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
 800           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
 801           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
 802           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
 803           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
 804           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
 805           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
 806           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
 807           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
 808           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
 809           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
 810           );
 811
 812
 813     ofs->cBytes = sizeof(OFSTRUCT);
 814     ofs->nErrCode = 0;
 815     if (mode & OF_REOPEN) name = ofs->szPathName;
 816
 817     if (!name) {
 818         ERR("called with `name' set to NULL ! Please debug.\n");
 819         return HFILE_ERROR;
 820     }
 821
 822     TRACE("%s %04x\n", name, mode );
 823
 824     /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 825        Are there any cases where getting the path here is wrong?
 826        Uwe Bonnes 1997 Apr 2 */
 827     if (!GetFullPathNameA( name, sizeof(ofs->szPathName),
 828                              ofs->szPathName, NULL )) goto error;
 829     FILE_ConvertOFMode( mode, &access, &sharing );
 830
 831     /* OF_PARSE simply fills the structure */
 832
 833     if (mode & OF_PARSE)
 834     {
 835         ofs->fFixedDisk = (GetDriveType16( ofs->szPathName[0]-'A' )
 836                            != DRIVE_REMOVABLE);
 837         TRACE("(%s): OF_PARSE, res = '%s'\n",
 838                       name, ofs->szPathName );
 839         return 0;
 840     }
 841
 842     /* OF_CREATE is completely different from all other options, so
 843        handle it first */
 844
 845     if (mode & OF_CREATE)
 846     {
 847         if ((hFileRet = CreateFileA( name, GENERIC_READ | GENERIC_WRITE,
 848                                        sharing, NULL, CREATE_ALWAYS,
 849                                        FILE_ATTRIBUTE_NORMAL, -1 ))== INVALID_HANDLE_VALUE)
 850             goto error;
 851         goto success;
 852     }
 853
 854     /* If OF_SEARCH is set, ignore the given path */
 855
 856     if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 857     {
 858         /* First try the file name as is */
 859         if (DOSFS_GetFullName( name, TRUE, &full_name )) goto found;
 860         /* Now remove the path */
 861         if (name[0] && (name[1] == ':')) name += 2;
 862         if ((p = strrchr( name, '\\' ))) name = p + 1;
 863         if ((p = strrchr( name, '/' ))) name = p + 1;
 864         if (!name[0]) goto not_found;
 865     }
 866
 867     /* Now look for the file */
 868
 869     if (!DIR_SearchPath( NULL, name, NULL, &full_name, win32 )) goto not_found;
 870
 871 found:
 872     TRACE("found %s = %s\n",
 873                   full_name.long_name, full_name.short_name );
 874     lstrcpynA( ofs->szPathName, full_name.short_name,
 875                  sizeof(ofs->szPathName) );
 876
 877     if (mode & OF_SHARE_EXCLUSIVE)
 878       /* Some InstallShield version uses OF_SHARE_EXCLUSIVE
 879          on the file <tempdir>/_ins0432._mp to determine how
 880          far installation has proceeded.
 881          _ins0432._mp is an executable and while running the
 882          application expects the open with OF_SHARE_ to fail*/
 883       /* Probable FIXME:
 884          As our loader closes the files after loading the executable,
 885          we can't find the running executable with FILE_InUse.
 886          Perhaps the loader should keep the file open.
 887          Recheck against how Win handles that case */
 888       {
 889         char *last = strrchr(full_name.long_name,'/');
 890         if (!last)
 891           last = full_name.long_name - 1;
 892         if (GetModuleHandle16(last+1))
 893           {
 894             TRACE("Denying shared open for %s\n",full_name.long_name);
 895             return HFILE_ERROR;
 896           }
 897       }
 898
 899     if (mode & OF_DELETE)
 900     {
 901         if (unlink( full_name.long_name ) == -1) goto not_found;
 902         TRACE("(%s): OF_DELETE return = OK\n", name);
 903         return 1;
 904     }
 905
 906     hFileRet = FILE_CreateFile( full_name.long_name, access, sharing,
 907                                 NULL, OPEN_EXISTING, 0, -1 );
 908     if (hFileRet == HFILE_ERROR) goto not_found;
 909
 910     GetFileTime( hFileRet, NULL, NULL, &filetime );
 911     FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
 912     if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
 913     {
 914         if (memcmp( ofs->reserved, filedatetime, sizeof(ofs->reserved) ))
 915         {
 916             CloseHandle( hFileRet );
 917             WARN("(%s): OF_VERIFY failed\n", name );
 918             /* FIXME: what error here? */
 919             SetLastError( ERROR_FILE_NOT_FOUND );
 920             goto error;
 921         }
 922     }
 923     memcpy( ofs->reserved, filedatetime, sizeof(ofs->reserved) );
 924
 925 success:  /* We get here if the open was successful */
 926     TRACE("(%s): OK, return = %d\n", name, hFileRet );
 927     if (win32)
 928     {
 929         if (mode & OF_EXIST) /* Return the handle, but close it first */
 930             CloseHandle( hFileRet );
 931     }
 932     else
 933     {
 934         hFileRet = FILE_AllocDosHandle( hFileRet );
 935         if (hFileRet == HFILE_ERROR16) goto error;
 936         if (mode & OF_EXIST) /* Return the handle, but close it first */
 937             _lclose16( hFileRet );
 938     }
 939     return hFileRet;
 940
 941 not_found:  /* We get here if the file does not exist */
 942     WARN("'%s' not found\n", name );
 943     SetLastError( ERROR_FILE_NOT_FOUND );
 944     /* fall through */
 945
 946 error:  /* We get here if there was an error opening the file */
 947     ofs->nErrCode = GetLastError();
 948     WARN("(%s): return = HFILE_ERROR error= %d\n",
 949                   name,ofs->nErrCode );
 950     return HFILE_ERROR;
 951 }
 952
 953
 954 /***********************************************************************
 955  *           OpenFile16   (KERNEL.74)
 956  */
 957 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
 958 {
 959     return FILE_DoOpenFile( name, ofs, mode, FALSE );
 960 }
 961
 962
 963 /***********************************************************************
 964  *           OpenFile32   (KERNEL32.396)
 965  */
 966 HFILE WINAPI OpenFile( LPCSTR name, OFSTRUCT *ofs, UINT mode )
 967 {
 968     return FILE_DoOpenFile( name, ofs, mode, TRUE );
 969 }
 970
 971
 972 /***********************************************************************
 973  *           FILE_InitProcessDosHandles
 974  *
 975  * Allocates the default DOS handles for a process. Called either by
 976  * AllocDosHandle below or by the DOSVM stuff.
 977  */
 978 BOOL FILE_InitProcessDosHandles( void ) {
 979         HANDLE *ptr;
 980
 981         if (!(ptr = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY,
 982                                sizeof(*ptr) * DOS_TABLE_SIZE )))
 983             return FALSE;
 984         PROCESS_Current()->dos_handles = ptr;
 985         ptr[0] = GetStdHandle(STD_INPUT_HANDLE);
 986         ptr[1] = GetStdHandle(STD_OUTPUT_HANDLE);
 987         ptr[2] = GetStdHandle(STD_ERROR_HANDLE);
 988         ptr[3] = GetStdHandle(STD_ERROR_HANDLE);
 989         ptr[4] = GetStdHandle(STD_ERROR_HANDLE);
 990         return TRUE;
 991 }
 992
 993 /***********************************************************************
 994  *           FILE_AllocDosHandle
 995  *
 996  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
 997  * longer valid after this function (even on failure).
 998  */
 999 HFILE16 FILE_AllocDosHandle( HANDLE handle )
1000 {
1001     int i;
1002     HANDLE *ptr = PROCESS_Current()->dos_handles;
1003
1004     if (!handle || (handle == INVALID_HANDLE_VALUE))
1005         return INVALID_HANDLE_VALUE16;
1006
1007     if (!ptr) {
1008         if (!FILE_InitProcessDosHandles())
1009             goto error;
1010         ptr = PROCESS_Current()->dos_handles;
1011     }
1012
1013     for (i = 0; i < DOS_TABLE_SIZE; i++, ptr++)
1014         if (!*ptr)
1015         {
1016             *ptr = handle;
1017             TRACE("Got %d for h32 %d\n", i, handle );
1018             return i;
1019         }
1020 error:
1021     CloseHandle( handle );
1022     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
1023     return INVALID_HANDLE_VALUE16;
1024 }
1025
1026
1027 /***********************************************************************
1028  *           FILE_GetHandle32
1029  *
1030  * Return the Win32 handle for a DOS handle.
1031  */
1032 HANDLE FILE_GetHandle( HFILE16 hfile )
1033 {
1034     HANDLE *table = PROCESS_Current()->dos_handles;
1035     if ((hfile >= DOS_TABLE_SIZE) || !table || !table[hfile])
1036     {
1037         SetLastError( ERROR_INVALID_HANDLE );
1038         return INVALID_HANDLE_VALUE;
1039     }
1040     return table[hfile];
1041 }
1042
1043
1044 /***********************************************************************
1045  *           FILE_Dup2
1046  *
1047  * dup2() function for DOS handles.
1048  */
1049 HFILE16 FILE_Dup2( HFILE16 hFile1, HFILE16 hFile2 )
1050 {
1051     HANDLE *table = PROCESS_Current()->dos_handles;
1052     HANDLE new_handle;
1053
1054     if ((hFile1 >= DOS_TABLE_SIZE) || (hFile2 >= DOS_TABLE_SIZE) ||
1055         !table || !table[hFile1])
1056     {
1057         SetLastError( ERROR_INVALID_HANDLE );
1058         return HFILE_ERROR16;
1059     }
1060     if (hFile2 < 5)
1061     {
1062         FIXME("stdio handle closed, need proper conversion\n" );
1063         SetLastError( ERROR_INVALID_HANDLE );
1064         return HFILE_ERROR16;
1065     }
1066     if (!DuplicateHandle( GetCurrentProcess(), table[hFile1],
1067                           GetCurrentProcess(), &new_handle,
1068                           0, FALSE, DUPLICATE_SAME_ACCESS ))
1069         return HFILE_ERROR16;
1070     if (table[hFile2]) CloseHandle( table[hFile2] );
1071     table[hFile2] = new_handle;
1072     return hFile2;
1073 }
1074
1075
1076 /***********************************************************************
1077  *           _lclose16   (KERNEL.81)
1078  */
1079 HFILE16 WINAPI _lclose16( HFILE16 hFile )
1080 {
1081     HANDLE *table = PROCESS_Current()->dos_handles;
1082
1083     if (hFile < 5)
1084     {
1085         FIXME("stdio handle closed, need proper conversion\n" );
1086         SetLastError( ERROR_INVALID_HANDLE );
1087         return HFILE_ERROR16;
1088     }
1089     if ((hFile >= DOS_TABLE_SIZE) || !table || !table[hFile])
1090     {
1091         SetLastError( ERROR_INVALID_HANDLE );
1092         return HFILE_ERROR16;
1093     }
1094     TRACE("%d (handle32=%d)\n", hFile, table[hFile] );
1095     CloseHandle( table[hFile] );
1096     table[hFile] = 0;
1097     return 0;
1098 }
1099
1100
1101 /***********************************************************************
1102  *           _lclose32   (KERNEL32.592)
1103  */
1104 HFILE WINAPI _lclose( HFILE hFile )
1105 {
1106     TRACE("handle %d\n", hFile );
1107     return CloseHandle( hFile ) ? 0 : HFILE_ERROR;
1108 }
1109
1110 /***********************************************************************
1111  *              GetOverlappedResult     (KERNEL32.360)
1112  */
1113 BOOL WINAPI GetOverlappedResult(HANDLE hFile,LPOVERLAPPED lpOverlapped,
1114                                 LPDWORD lpNumberOfBytesTransferred,
1115                                 BOOL bWait)
1116 {
1117     /* Since all i/o is currently synchronuos,
1118      * return true, assuming ReadFile/WriteFile
1119      * have completed the operation */
1120     FIXME("NO Asynch I/O, assuming Read/Write succeeded\n" );
1121     return TRUE;
1122 }
1123
1124 /***********************************************************************
1125  *              ReadFile                (KERNEL32.428)
1126  */
1127 BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
1128                         LPDWORD bytesRead, LPOVERLAPPED overlapped )
1129 {
1130     struct get_read_fd_request *req = get_req_buffer();
1131     int unix_handle, result;
1132
1133     TRACE("%d %p %ld\n", hFile, buffer, bytesToRead );
1134
1135     if (bytesRead) *bytesRead = 0;  /* Do this before anything else */
1136     if (!bytesToRead) return TRUE;
1137
1138     req->handle = hFile;
1139     server_call_fd( REQ_GET_READ_FD, -1, &unix_handle );
1140     if (unix_handle == -1) return FALSE;
1141     while ((result = read( unix_handle, buffer, bytesToRead )) == -1)
1142     {
1143         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1144         if ((errno == EFAULT) && VIRTUAL_HandleFault( buffer )) continue;
1145         FILE_SetDosError();
1146         break;
1147     }
1148     close( unix_handle );
1149     if (result == -1) return FALSE;
1150     if (bytesRead) *bytesRead = result;
1151     return TRUE;
1152 }
1153
1154
1155 /***********************************************************************
1156  *             WriteFile               (KERNEL32.578)
1157  */
1158 BOOL WINAPI WriteFile( HANDLE hFile, LPCVOID buffer, DWORD bytesToWrite,
1159                          LPDWORD bytesWritten, LPOVERLAPPED overlapped )
1160 {
1161     struct get_write_fd_request *req = get_req_buffer();
1162     int unix_handle, result;
1163
1164     TRACE("%d %p %ld\n", hFile, buffer, bytesToWrite );
1165
1166     if (bytesWritten) *bytesWritten = 0;  /* Do this before anything else */
1167     if (!bytesToWrite) return TRUE;
1168
1169     req->handle = hFile;
1170     server_call_fd( REQ_GET_WRITE_FD, -1, &unix_handle );
1171     if (unix_handle == -1) return FALSE;
1172     while ((result = write( unix_handle, buffer, bytesToWrite )) == -1)
1173     {
1174         if ((errno == EAGAIN) || (errno == EINTR)) continue;
1175         if ((errno == EFAULT) && VIRTUAL_HandleFault( buffer )) continue;
1176         if (errno == ENOSPC)
1177             SetLastError( ERROR_DISK_FULL );
1178         else
1179         FILE_SetDosError();
1180         break;
1181     }
1182     close( unix_handle );
1183     if (result == -1) return FALSE;
1184     if (bytesWritten) *bytesWritten = result;
1185     return TRUE;
1186 }
1187
1188
1189 /***********************************************************************
1190  *           WIN16_hread
1191  */
1192 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
1193 {
1194     LONG maxlen;
1195
1196     TRACE("%d %08lx %ld\n",
1197                   hFile, (DWORD)buffer, count );
1198
1199     /* Some programs pass a count larger than the allocated buffer */
1200     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
1201     if (count > maxlen) count = maxlen;
1202     return _lread(FILE_GetHandle(hFile), PTR_SEG_TO_LIN(buffer), count );
1203 }
1204
1205
1206 /***********************************************************************
1207  *           WIN16_lread
1208  */
1209 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
1210 {
1211     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
1212 }
1213
1214
1215 /***********************************************************************
1216  *           _lread32   (KERNEL32.596)
1217  */
1218 UINT WINAPI _lread( HFILE handle, LPVOID buffer, UINT count )
1219 {
1220     DWORD result;
1221     if (!ReadFile( handle, buffer, count, &result, NULL )) return -1;
1222     return result;
1223 }
1224
1225
1226 /***********************************************************************
1227  *           _lread16   (KERNEL.82)
1228  */
1229 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
1230 {
1231     return (UINT16)_lread(FILE_GetHandle(hFile), buffer, (LONG)count );
1232 }
1233
1234
1235 /***********************************************************************
1236  *           _lcreat16   (KERNEL.83)
1237  */
1238 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
1239 {
1240     return FILE_AllocDosHandle( _lcreat( path, attr ) );
1241 }
1242
1243
1244 /***********************************************************************
1245  *           _lcreat   (KERNEL32.593)
1246  */
1247 HFILE WINAPI _lcreat( LPCSTR path, INT attr )
1248 {
1249     /* Mask off all flags not explicitly allowed by the doc */
1250     attr &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
1251     TRACE("%s %02x\n", path, attr );
1252     return CreateFileA( path, GENERIC_READ | GENERIC_WRITE,
1253                         FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1254                         CREATE_ALWAYS, attr, -1 );
1255 }
1256
1257
1258 /***********************************************************************
1259  *           SetFilePointer   (KERNEL32.492)
1260  */
1261 DWORD WINAPI SetFilePointer( HANDLE hFile, LONG distance, LONG *highword,
1262                              DWORD method )
1263 {
1264     struct set_file_pointer_request *req = get_req_buffer();
1265
1266     if (highword && *highword)
1267     {
1268         FIXME("64-bit offsets not supported yet\n");
1269         SetLastError( ERROR_INVALID_PARAMETER );
1270         return 0xffffffff;
1271     }
1272     TRACE("handle %d offset %ld origin %ld\n",
1273           hFile, distance, method );
1274
1275     req->handle = hFile;
1276     req->low = distance;
1277     req->high = highword ? *highword : 0;
1278     /* FIXME: assumes 1:1 mapping between Windows and Unix seek constants */
1279     req->whence = method;
1280     SetLastError( 0 );
1281     if (server_call( REQ_SET_FILE_POINTER )) return 0xffffffff;
1282     if (highword) *highword = req->new_high;
1283     return req->new_low;
1284 }
1285
1286
1287 /***********************************************************************
1288  *           _llseek16   (KERNEL.84)
1289  *
1290  * FIXME:
1291  *   Seeking before the start of the file should be allowed for _llseek16,
1292  *   but cause subsequent I/O operations to fail (cf. interrupt list)
1293  *
1294  */
1295 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
1296 {
1297     return SetFilePointer( FILE_GetHandle(hFile), lOffset, NULL, nOrigin );
1298 }
1299
1300
1301 /***********************************************************************
1302  *           _llseek32   (KERNEL32.594)
1303  */
1304 LONG WINAPI _llseek( HFILE hFile, LONG lOffset, INT nOrigin )
1305 {
1306     return SetFilePointer( hFile, lOffset, NULL, nOrigin );
1307 }
1308
1309
1310 /***********************************************************************
1311  *           _lopen16   (KERNEL.85)
1312  */
1313 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
1314 {
1315     return FILE_AllocDosHandle( _lopen( path, mode ) );
1316 }
1317
1318
1319 /***********************************************************************
1320  *           _lopen32   (KERNEL32.595)
1321  */
1322 HFILE WINAPI _lopen( LPCSTR path, INT mode )
1323 {
1324     DWORD access, sharing;
1325
1326     TRACE("('%s',%04x)\n", path, mode );
1327     FILE_ConvertOFMode( mode, &access, &sharing );
1328     return CreateFileA( path, access, sharing, NULL, OPEN_EXISTING, 0, -1 );
1329 }
1330
1331
1332 /***********************************************************************
1333  *           _lwrite16   (KERNEL.86)
1334  */
1335 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
1336 {
1337     return (UINT16)_hwrite( FILE_GetHandle(hFile), buffer, (LONG)count );
1338 }
1339
1340 /***********************************************************************
1341  *           _lwrite32   (KERNEL32.761)
1342  */
1343 UINT WINAPI _lwrite( HFILE hFile, LPCSTR buffer, UINT count )
1344 {
1345     return (UINT)_hwrite( hFile, buffer, (LONG)count );
1346 }
1347
1348
1349 /***********************************************************************
1350  *           _hread16   (KERNEL.349)
1351  */
1352 LONG WINAPI _hread16( HFILE16 hFile, LPVOID buffer, LONG count)
1353 {
1354     return _lread( FILE_GetHandle(hFile), buffer, count );
1355 }
1356
1357
1358 /***********************************************************************
1359  *           _hread32   (KERNEL32.590)
1360  */
1361 LONG WINAPI _hread( HFILE hFile, LPVOID buffer, LONG count)
1362 {
1363     return _lread( hFile, buffer, count );
1364 }
1365
1366
1367 /***********************************************************************
1368  *           _hwrite16   (KERNEL.350)
1369  */
1370 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
1371 {
1372     return _hwrite( FILE_GetHandle(hFile), buffer, count );
1373 }
1374
1375
1376 /***********************************************************************
1377  *           _hwrite32   (KERNEL32.591)
1378  *
1379  *      experimentation yields that _lwrite:
1380  *              o truncates the file at the current position with
1381  *                a 0 len write
1382  *              o returns 0 on a 0 length write
1383  *              o works with console handles
1384  *
1385  */
1386 LONG WINAPI _hwrite( HFILE handle, LPCSTR buffer, LONG count )
1387 {
1388     DWORD result;
1389
1390     TRACE("%d %p %ld\n", handle, buffer, count );
1391
1392     if (!count)
1393     {
1394         /* Expand or truncate at current position */
1395         if (!SetEndOfFile( handle )) return HFILE_ERROR;
1396         return 0;
1397     }
1398     if (!WriteFile( handle, buffer, count, &result, NULL ))
1399         return HFILE_ERROR;
1400     return result;
1401 }
1402
1403
1404 /***********************************************************************
1405  *           SetHandleCount16   (KERNEL.199)
1406  */
1407 UINT16 WINAPI SetHandleCount16( UINT16 count )
1408 {
1409     HGLOBAL16 hPDB = GetCurrentPDB16();
1410     PDB16 *pdb = (PDB16 *)GlobalLock16( hPDB );
1411     BYTE *files = PTR_SEG_TO_LIN( pdb->fileHandlesPtr );
1412
1413     TRACE("(%d)\n", count );
1414
1415     if (count < 20) count = 20;  /* No point in going below 20 */
1416     else if (count > 254) count = 254;
1417
1418     if (count == 20)
1419     {
1420         if (pdb->nbFiles > 20)
1421         {
1422             memcpy( pdb->fileHandles, files, 20 );
1423             GlobalFree16( pdb->hFileHandles );
1424             pdb->fileHandlesPtr = (SEGPTR)MAKELONG( 0x18,
1425                                                    GlobalHandleToSel16( hPDB ) );
1426             pdb->hFileHandles = 0;
1427             pdb->nbFiles = 20;
1428         }
1429     }
1430     else  /* More than 20, need a new file handles table */
1431     {
1432         BYTE *newfiles;
1433         HGLOBAL16 newhandle = GlobalAlloc16( GMEM_MOVEABLE, count );
1434         if (!newhandle)
1435         {
1436             SetLastError( ERROR_NOT_ENOUGH_MEMORY );
1437             return pdb->nbFiles;
1438         }
1439         newfiles = (BYTE *)GlobalLock16( newhandle );
1440
1441         if (count > pdb->nbFiles)
1442         {
1443             memcpy( newfiles, files, pdb->nbFiles );
1444             memset( newfiles + pdb->nbFiles, 0xff, count - pdb->nbFiles );
1445         }
1446         else memcpy( newfiles, files, count );
1447         if (pdb->nbFiles > 20) GlobalFree16( pdb->hFileHandles );
1448         pdb->fileHandlesPtr = WIN16_GlobalLock16( newhandle );
1449         pdb->hFileHandles   = newhandle;
1450         pdb->nbFiles = count;
1451     }
1452     return pdb->nbFiles;
1453 }
1454
1455
1456 /*************************************************************************
1457  *           SetHandleCount32   (KERNEL32.494)
1458  */
1459 UINT WINAPI SetHandleCount( UINT count )
1460 {
1461     return MIN( 256, count );
1462 }
1463
1464
1465 /***********************************************************************
1466  *           FlushFileBuffers   (KERNEL32.133)
1467  */
1468 BOOL WINAPI FlushFileBuffers( HANDLE hFile )
1469 {
1470     struct flush_file_request *req = get_req_buffer();
1471     req->handle = hFile;
1472     return !server_call( REQ_FLUSH_FILE );
1473 }
1474
1475
1476 /**************************************************************************
1477  *           SetEndOfFile   (KERNEL32.483)
1478  */
1479 BOOL WINAPI SetEndOfFile( HANDLE hFile )
1480 {
1481     struct truncate_file_request *req = get_req_buffer();
1482     req->handle = hFile;
1483     return !server_call( REQ_TRUNCATE_FILE );
1484 }
1485
1486
1487 /***********************************************************************
1488  *           DeleteFile16   (KERNEL.146)
1489  */
1490 BOOL16 WINAPI DeleteFile16( LPCSTR path )
1491 {
1492     return DeleteFileA( path );
1493 }
1494
1495
1496 /***********************************************************************
1497  *           DeleteFile32A   (KERNEL32.71)
1498  */
1499 BOOL WINAPI DeleteFileA( LPCSTR path )
1500 {
1501     DOS_FULL_NAME full_name;
1502
1503     TRACE("'%s'\n", path );
1504
1505     if (!*path)
1506     {
1507         ERR("Empty path passed\n");
1508         return FALSE;
1509     }
1510     if (DOSFS_GetDevice( path ))
1511     {
1512         WARN("cannot remove DOS device '%s'!\n", path);
1513         SetLastError( ERROR_FILE_NOT_FOUND );
1514         return FALSE;
1515     }
1516
1517     if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
1518     if (unlink( full_name.long_name ) == -1)
1519     {
1520         FILE_SetDosError();
1521         return FALSE;
1522     }
1523     return TRUE;
1524 }
1525
1526
1527 /***********************************************************************
1528  *           DeleteFile32W   (KERNEL32.72)
1529  */
1530 BOOL WINAPI DeleteFileW( LPCWSTR path )
1531 {
1532     LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
1533     BOOL ret = DeleteFileA( xpath );
1534     HeapFree( GetProcessHeap(), 0, xpath );
1535     return ret;
1536 }
1537
1538
1539 /***********************************************************************
1540  *           FILE_dommap
1541  */
1542 LPVOID FILE_dommap( int unix_handle, LPVOID start,
1543                     DWORD size_high, DWORD size_low,
1544                     DWORD offset_high, DWORD offset_low,
1545                     int prot, int flags )
1546 {
1547     int fd = -1;
1548     int pos;
1549     LPVOID ret;
1550
1551     if (size_high || offset_high)
1552         FIXME("offsets larger than 4Gb not supported\n");
1553
1554     if (unix_handle == -1)
1555     {
1556 #ifdef MAP_ANON
1557         flags |= MAP_ANON;
1558 #else
1559         static int fdzero = -1;
1560
1561         if (fdzero == -1)
1562         {
1563             if ((fdzero = open( "/dev/zero", O_RDONLY )) == -1)
1564             {
1565                 perror( "/dev/zero: open" );
1566                 exit(1);
1567             }
1568         }
1569         fd = fdzero;
1570 #endif  /* MAP_ANON */
1571         /* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
1572 #ifdef MAP_SHARED
1573         flags &= ~MAP_SHARED;
1574 #endif
1575 #ifdef MAP_PRIVATE
1576         flags |= MAP_PRIVATE;
1577 #endif
1578     }
1579     else fd = unix_handle;
1580
1581     if ((ret = mmap( start, size_low, prot,
1582                      flags, fd, offset_low )) != (LPVOID)-1)
1583         return ret;
1584
1585     /* mmap() failed; if this is because the file offset is not    */
1586     /* page-aligned (EINVAL), or because the underlying filesystem */
1587     /* does not support mmap() (ENOEXEC), we do it by hand.        */
1588
1589     if (unix_handle == -1) return ret;
1590     if ((errno != ENOEXEC) && (errno != EINVAL)) return ret;
1591     if (prot & PROT_WRITE)
1592     {
1593         /* We cannot fake shared write mappings */
1594 #ifdef MAP_SHARED
1595         if (flags & MAP_SHARED) return ret;
1596 #endif
1597 #ifdef MAP_PRIVATE
1598         if (!(flags & MAP_PRIVATE)) return ret;
1599 #endif
1600     }
1601 /*    printf( "FILE_mmap: mmap failed (%d), faking it\n", errno );*/
1602     /* Reserve the memory with an anonymous mmap */
1603     ret = FILE_dommap( -1, start, size_high, size_low, 0, 0,
1604                        PROT_READ | PROT_WRITE, flags );
1605     if (ret == (LPVOID)-1) return ret;
1606     /* Now read in the file */
1607     if ((pos = lseek( fd, offset_low, SEEK_SET )) == -1)
1608     {
1609         FILE_munmap( ret, size_high, size_low );
1610         return (LPVOID)-1;
1611     }
1612     read( fd, ret, size_low );
1613     lseek( fd, pos, SEEK_SET );  /* Restore the file pointer */
1614     mprotect( ret, size_low, prot );  /* Set the right protection */
1615     return ret;
1616 }
1617
1618
1619 /***********************************************************************
1620  *           FILE_munmap
1621  */
1622 int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low )
1623 {
1624     if (size_high)
1625       FIXME("offsets larger than 4Gb not supported\n");
1626     return munmap( start, size_low );
1627 }
1628
1629
1630 /***********************************************************************
1631  *           GetFileType   (KERNEL32.222)
1632  */
1633 DWORD WINAPI GetFileType( HANDLE hFile )
1634 {
1635     struct get_file_info_request *req = get_req_buffer();
1636     req->handle = hFile;
1637     if (server_call( REQ_GET_FILE_INFO )) return FILE_TYPE_UNKNOWN;
1638     return req->type;
1639 }
1640
1641
1642 /**************************************************************************
1643  *           MoveFileExA   (KERNEL32.???)
1644  */
1645 BOOL WINAPI MoveFileExA( LPCSTR fn1, LPCSTR fn2, DWORD flag )
1646 {
1647     DOS_FULL_NAME full_name1, full_name2;
1648
1649     TRACE("(%s,%s,%04lx)\n", fn1, fn2, flag);
1650
1651     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1652
1653     if (fn2)  /* !fn2 means delete fn1 */
1654     {
1655         if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1656         {
1657             /* target exists, check if we may overwrite */
1658             if (!(flag & MOVEFILE_REPLACE_EXISTING))
1659             {
1660                 /* FIXME: Use right error code */
1661                 SetLastError( ERROR_ACCESS_DENIED );
1662                 return FALSE;
1663             }
1664         }
1665         else if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1666
1667         /* Source name and target path are valid */
1668
1669         if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1670         {
1671             /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1672                Perhaps we should queue these command and execute it
1673                when exiting... What about using on_exit(2)
1674             */
1675             FIXME("Please move existing file '%s' to file '%s' when Wine has finished\n",
1676                   full_name1.long_name, full_name2.long_name);
1677             return TRUE;
1678         }
1679
1680         if (full_name1.drive != full_name2.drive)
1681         {
1682             /* use copy, if allowed */
1683             if (!(flag & MOVEFILE_COPY_ALLOWED))
1684             {
1685                 /* FIXME: Use right error code */
1686                 SetLastError( ERROR_FILE_EXISTS );
1687                 return FALSE;
1688             }
1689             return CopyFileA( fn1, fn2, !(flag & MOVEFILE_REPLACE_EXISTING) );
1690         }
1691         if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1692         {
1693             FILE_SetDosError();
1694             return FALSE;
1695         }
1696         return TRUE;
1697     }
1698     else /* fn2 == NULL means delete source */
1699     {
1700         if (flag & MOVEFILE_DELAY_UNTIL_REBOOT)
1701         {
1702             if (flag & MOVEFILE_COPY_ALLOWED) {
1703                 WARN("Illegal flag\n");
1704                 SetLastError( ERROR_GEN_FAILURE );
1705                 return FALSE;
1706             }
1707             /* FIXME: (bon@elektron.ikp.physik.th-darmstadt.de 970706)
1708                Perhaps we should queue these command and execute it
1709                when exiting... What about using on_exit(2)
1710             */
1711             FIXME("Please delete file '%s' when Wine has finished\n",
1712                   full_name1.long_name);
1713             return TRUE;
1714         }
1715
1716         if (unlink( full_name1.long_name ) == -1)
1717         {
1718             FILE_SetDosError();
1719             return FALSE;
1720         }
1721         return TRUE; /* successfully deleted */
1722     }
1723 }
1724
1725 /**************************************************************************
1726  *           MoveFileEx32W   (KERNEL32.???)
1727  */
1728 BOOL WINAPI MoveFileExW( LPCWSTR fn1, LPCWSTR fn2, DWORD flag )
1729 {
1730     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1731     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1732     BOOL res = MoveFileExA( afn1, afn2, flag );
1733     HeapFree( GetProcessHeap(), 0, afn1 );
1734     HeapFree( GetProcessHeap(), 0, afn2 );
1735     return res;
1736 }
1737
1738
1739 /**************************************************************************
1740  *           MoveFile32A   (KERNEL32.387)
1741  *
1742  *  Move file or directory
1743  */
1744 BOOL WINAPI MoveFileA( LPCSTR fn1, LPCSTR fn2 )
1745 {
1746     DOS_FULL_NAME full_name1, full_name2;
1747     struct stat fstat;
1748
1749     TRACE("(%s,%s)\n", fn1, fn2 );
1750
1751     if (!DOSFS_GetFullName( fn1, TRUE, &full_name1 )) return FALSE;
1752     if (DOSFS_GetFullName( fn2, TRUE, &full_name2 ))
1753       /* The new name must not already exist */
1754       return FALSE;
1755     if (!DOSFS_GetFullName( fn2, FALSE, &full_name2 )) return FALSE;
1756
1757     if (full_name1.drive == full_name2.drive) /* move */
1758     if (rename( full_name1.long_name, full_name2.long_name ) == -1)
1759     {
1760         FILE_SetDosError();
1761         return FALSE;
1762     }
1763       else return TRUE;
1764     else /*copy */ {
1765       if (stat(  full_name1.long_name, &fstat ))
1766         {
1767           WARN("Invalid source file %s\n",
1768                         full_name1.long_name);
1769           FILE_SetDosError();
1770           return FALSE;
1771         }
1772       if (S_ISDIR(fstat.st_mode)) {
1773         /* No Move for directories across file systems */
1774         /* FIXME: Use right error code */
1775         SetLastError( ERROR_GEN_FAILURE );
1776         return FALSE;
1777       }
1778       else
1779         return CopyFileA(fn1, fn2, TRUE); /*fail, if exist */
1780     }
1781 }
1782
1783
1784 /**************************************************************************
1785  *           MoveFile32W   (KERNEL32.390)
1786  */
1787 BOOL WINAPI MoveFileW( LPCWSTR fn1, LPCWSTR fn2 )
1788 {
1789     LPSTR afn1 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn1 );
1790     LPSTR afn2 = HEAP_strdupWtoA( GetProcessHeap(), 0, fn2 );
1791     BOOL res = MoveFileA( afn1, afn2 );
1792     HeapFree( GetProcessHeap(), 0, afn1 );
1793     HeapFree( GetProcessHeap(), 0, afn2 );
1794     return res;
1795 }
1796
1797
1798 /**************************************************************************
1799  *           CopyFile32A   (KERNEL32.36)
1800  */
1801 BOOL WINAPI CopyFileA( LPCSTR source, LPCSTR dest, BOOL fail_if_exists )
1802 {
1803     HFILE h1, h2;
1804     BY_HANDLE_FILE_INFORMATION info;
1805     UINT count;
1806     BOOL ret = FALSE;
1807     int mode;
1808     char buffer[2048];
1809
1810     if ((h1 = _lopen( source, OF_READ )) == HFILE_ERROR) return FALSE;
1811     if (!GetFileInformationByHandle( h1, &info ))
1812     {
1813         CloseHandle( h1 );
1814         return FALSE;
1815     }
1816     mode = (info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? 0444 : 0666;
1817     if ((h2 = CreateFileA( dest, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
1818                              fail_if_exists ? CREATE_NEW : CREATE_ALWAYS,
1819                              info.dwFileAttributes, h1 )) == HFILE_ERROR)
1820     {
1821         CloseHandle( h1 );
1822         return FALSE;
1823     }
1824     while ((count = _lread( h1, buffer, sizeof(buffer) )) > 0)
1825     {
1826         char *p = buffer;
1827         while (count > 0)
1828         {
1829             INT res = _lwrite( h2, p, count );
1830             if (res <= 0) goto done;
1831             p += res;
1832             count -= res;
1833         }
1834     }
1835     ret =  TRUE;
1836 done:
1837     CloseHandle( h1 );
1838     CloseHandle( h2 );
1839     return ret;
1840 }
1841
1842
1843 /**************************************************************************
1844  *           CopyFile32W   (KERNEL32.37)
1845  */
1846 BOOL WINAPI CopyFileW( LPCWSTR source, LPCWSTR dest, BOOL fail_if_exists)
1847 {
1848     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, source );
1849     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, dest );
1850     BOOL ret = CopyFileA( sourceA, destA, fail_if_exists );
1851     HeapFree( GetProcessHeap(), 0, sourceA );
1852     HeapFree( GetProcessHeap(), 0, destA );
1853     return ret;
1854 }
1855
1856
1857 /**************************************************************************
1858  *           CopyFileEx32A   (KERNEL32.858)
1859  *
1860  * This implementation ignores most of the extra parameters passed-in into
1861  * the "ex" version of the method and calls the CopyFile method.
1862  * It will have to be fixed eventually.
1863  */
1864 BOOL WINAPI CopyFileExA(LPCSTR             sourceFilename,
1865                            LPCSTR             destFilename,
1866                            LPPROGRESS_ROUTINE progressRoutine,
1867                            LPVOID             appData,
1868                            LPBOOL           cancelFlagPointer,
1869                            DWORD              copyFlags)
1870 {
1871   BOOL failIfExists = FALSE;
1872
1873   /*
1874    * Interpret the only flag that CopyFile can interpret.
1875    */
1876   if ( (copyFlags & COPY_FILE_FAIL_IF_EXISTS) != 0)
1877   {
1878     failIfExists = TRUE;
1879   }
1880
1881   return CopyFileA(sourceFilename, destFilename, failIfExists);
1882 }
1883
1884 /**************************************************************************
1885  *           CopyFileEx32W   (KERNEL32.859)
1886  */
1887 BOOL WINAPI CopyFileExW(LPCWSTR            sourceFilename,
1888                            LPCWSTR            destFilename,
1889                            LPPROGRESS_ROUTINE progressRoutine,
1890                            LPVOID             appData,
1891                            LPBOOL           cancelFlagPointer,
1892                            DWORD              copyFlags)
1893 {
1894     LPSTR sourceA = HEAP_strdupWtoA( GetProcessHeap(), 0, sourceFilename );
1895     LPSTR destA   = HEAP_strdupWtoA( GetProcessHeap(), 0, destFilename );
1896
1897     BOOL ret = CopyFileExA(sourceA,
1898                               destA,
1899                               progressRoutine,
1900                               appData,
1901                               cancelFlagPointer,
1902                               copyFlags);
1903
1904     HeapFree( GetProcessHeap(), 0, sourceA );
1905     HeapFree( GetProcessHeap(), 0, destA );
1906
1907     return ret;
1908 }
1909
1910
1911 /***********************************************************************
1912  *              SetFileTime   (KERNEL32.650)
1913  */
1914 BOOL WINAPI SetFileTime( HANDLE hFile,
1915                            const FILETIME *lpCreationTime,
1916                            const FILETIME *lpLastAccessTime,
1917                            const FILETIME *lpLastWriteTime )
1918 {
1919     struct set_file_time_request *req = get_req_buffer();
1920
1921     req->handle = hFile;
1922     if (lpLastAccessTime)
1923         req->access_time = DOSFS_FileTimeToUnixTime(lpLastAccessTime, NULL);
1924     else
1925         req->access_time = 0; /* FIXME */
1926     if (lpLastWriteTime)
1927         req->write_time = DOSFS_FileTimeToUnixTime(lpLastWriteTime, NULL);
1928     else
1929         req->write_time = 0; /* FIXME */
1930     return !server_call( REQ_SET_FILE_TIME );
1931 }
1932
1933
1934 /**************************************************************************
1935  *           LockFile   (KERNEL32.511)
1936  */
1937 BOOL WINAPI LockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1938                         DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh )
1939 {
1940     struct lock_file_request *req = get_req_buffer();
1941
1942     req->handle      = hFile;
1943     req->offset_low  = dwFileOffsetLow;
1944     req->offset_high = dwFileOffsetHigh;
1945     req->count_low   = nNumberOfBytesToLockLow;
1946     req->count_high  = nNumberOfBytesToLockHigh;
1947     return !server_call( REQ_LOCK_FILE );
1948 }
1949
1950 /**************************************************************************
1951  * LockFileEx [KERNEL32.512]
1952  *
1953  * Locks a byte range within an open file for shared or exclusive access.
1954  *
1955  * RETURNS
1956  *   success: TRUE
1957  *   failure: FALSE
1958  * NOTES
1959  *
1960  * Per Microsoft docs, the third parameter (reserved) must be set to 0.
1961  */
1962 BOOL WINAPI LockFileEx( HANDLE hFile, DWORD flags, DWORD reserved,
1963                       DWORD nNumberOfBytesToLockLow, DWORD nNumberOfBytesToLockHigh,
1964                       LPOVERLAPPED pOverlapped )
1965 {
1966     FIXME("hFile=%d,flags=%ld,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
1967           hFile, flags, reserved, nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh,
1968           pOverlapped);
1969     if (reserved == 0)
1970         SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1971     else
1972     {
1973         ERR("reserved == %ld: Supposed to be 0??\n", reserved);
1974         SetLastError(ERROR_INVALID_PARAMETER);
1975     }
1976
1977     return FALSE;
1978 }
1979
1980
1981 /**************************************************************************
1982  *           UnlockFile   (KERNEL32.703)
1983  */
1984 BOOL WINAPI UnlockFile( HANDLE hFile, DWORD dwFileOffsetLow, DWORD dwFileOffsetHigh,
1985                           DWORD nNumberOfBytesToUnlockLow, DWORD nNumberOfBytesToUnlockHigh )
1986 {
1987     struct unlock_file_request *req = get_req_buffer();
1988
1989     req->handle      = hFile;
1990     req->offset_low  = dwFileOffsetLow;
1991     req->offset_high = dwFileOffsetHigh;
1992     req->count_low   = nNumberOfBytesToUnlockLow;
1993     req->count_high  = nNumberOfBytesToUnlockHigh;
1994     return !server_call( REQ_UNLOCK_FILE );
1995 }
1996
1997
1998 /**************************************************************************
1999  *           UnlockFileEx   (KERNEL32.705)
2000  */
2001 BOOL WINAPI UnlockFileEx(
2002                 HFILE hFile,
2003                 DWORD dwReserved,
2004                 DWORD nNumberOfBytesToUnlockLow,
2005                 DWORD nNumberOfBytesToUnlockHigh,
2006                 LPOVERLAPPED lpOverlapped
2007 )
2008 {
2009         FIXME("hFile=%d,reserved=%ld,lowbytes=%ld,highbytes=%ld,overlapped=%p: stub.\n",
2010           hFile, dwReserved, nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh,
2011           lpOverlapped);
2012         if (dwReserved == 0)
2013                 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
2014         else
2015         {
2016                 ERR("reserved == %ld: Supposed to be 0??\n", dwReserved);
2017                 SetLastError(ERROR_INVALID_PARAMETER);
2018         }
2019
2020         return FALSE;
2021 }
2022
2023
2024 #if 0
2025
2026 struct DOS_FILE_LOCK {
2027   struct DOS_FILE_LOCK *        next;
2028   DWORD                         base;
2029   DWORD                         len;
2030   DWORD                         processId;
2031   FILE_OBJECT *                 dos_file;
2032 /*  char *                      unix_name;*/
2033 };
2034
2035 typedef struct DOS_FILE_LOCK DOS_FILE_LOCK;
2036
2037 static DOS_FILE_LOCK *locks = NULL;
2038 static void DOS_RemoveFileLocks(FILE_OBJECT *file);
2039
2040
2041 /* Locks need to be mirrored because unix file locking is based
2042  * on the pid. Inside of wine there can be multiple WINE processes
2043  * that share the same unix pid.
2044  * Read's and writes should check these locks also - not sure
2045  * how critical that is at this point (FIXME).
2046  */
2047
2048 static BOOL DOS_AddLock(FILE_OBJECT *file, struct flock *f)
2049 {
2050   DOS_FILE_LOCK *curr;
2051   DWORD         processId;
2052
2053   processId = GetCurrentProcessId();
2054
2055   /* check if lock overlaps a current lock for the same file */
2056 #if 0
2057   for (curr = locks; curr; curr = curr->next) {
2058     if (strcmp(curr->unix_name, file->unix_name) == 0) {
2059       if ((f->l_start == curr->base) && (f->l_len == curr->len))
2060         return TRUE;/* region is identic */
2061       if ((f->l_start < (curr->base + curr->len)) &&
2062           ((f->l_start + f->l_len) > curr->base)) {
2063         /* region overlaps */
2064         return FALSE;
2065       }
2066     }
2067   }
2068 #endif
2069
2070   curr = HeapAlloc( SystemHeap, 0, sizeof(DOS_FILE_LOCK) );
2071   curr->processId = GetCurrentProcessId();
2072   curr->base = f->l_start;
2073   curr->len = f->l_len;
2074 /*  curr->unix_name = HEAP_strdupA( SystemHeap, 0, file->unix_name);*/
2075   curr->next = locks;
2076   curr->dos_file = file;
2077   locks = curr;
2078   return TRUE;
2079 }
2080
2081 static void DOS_RemoveFileLocks(FILE_OBJECT *file)
2082 {
2083   DWORD         processId;
2084   DOS_FILE_LOCK **curr;
2085   DOS_FILE_LOCK *rem;
2086
2087   processId = GetCurrentProcessId();
2088   curr = &locks;
2089   while (*curr) {
2090     if ((*curr)->dos_file == file) {
2091       rem = *curr;
2092       *curr = (*curr)->next;
2093 /*      HeapFree( SystemHeap, 0, rem->unix_name );*/
2094       HeapFree( SystemHeap, 0, rem );
2095     }
2096     else
2097       curr = &(*curr)->next;
2098   }
2099 }
2100
2101 static BOOL DOS_RemoveLock(FILE_OBJECT *file, struct flock *f)
2102 {
2103   DWORD         processId;
2104   DOS_FILE_LOCK **curr;
2105   DOS_FILE_LOCK *rem;
2106
2107   processId = GetCurrentProcessId();
2108   for (curr = &locks; *curr; curr = &(*curr)->next) {
2109     if ((*curr)->processId == processId &&
2110         (*curr)->dos_file == file &&
2111         (*curr)->base == f->l_start &&
2112         (*curr)->len == f->l_len) {
2113       /* this is the same lock */
2114       rem = *curr;
2115       *curr = (*curr)->next;
2116 /*      HeapFree( SystemHeap, 0, rem->unix_name );*/
2117       HeapFree( SystemHeap, 0, rem );
2118       return TRUE;
2119     }
2120   }
2121   /* no matching lock found */
2122   return FALSE;
2123 }
2124
2125
2126 /**************************************************************************
2127  *           LockFile   (KERNEL32.511)
2128  */
2129 BOOL WINAPI LockFile(
2130         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2131         DWORD nNumberOfBytesToLockLow,DWORD nNumberOfBytesToLockHigh )
2132 {
2133   struct flock f;
2134   FILE_OBJECT *file;
2135
2136   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2137                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2138                nNumberOfBytesToLockLow, nNumberOfBytesToLockHigh);
2139
2140   if (dwFileOffsetHigh || nNumberOfBytesToLockHigh) {
2141     FIXME("Unimplemented bytes > 32bits\n");
2142     return FALSE;
2143   }
2144
2145   f.l_start = dwFileOffsetLow;
2146   f.l_len = nNumberOfBytesToLockLow;
2147   f.l_whence = SEEK_SET;
2148   f.l_pid = 0;
2149   f.l_type = F_WRLCK;
2150
2151   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2152
2153   /* shadow locks internally */
2154   if (!DOS_AddLock(file, &f)) {
2155     SetLastError( ERROR_LOCK_VIOLATION );
2156     return FALSE;
2157   }
2158
2159   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2160 #ifdef USE_UNIX_LOCKS
2161   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2162     if (errno == EACCES || errno == EAGAIN) {
2163       SetLastError( ERROR_LOCK_VIOLATION );
2164     }
2165     else {
2166       FILE_SetDosError();
2167     }
2168     /* remove our internal copy of the lock */
2169     DOS_RemoveLock(file, &f);
2170     return FALSE;
2171   }
2172 #endif
2173   return TRUE;
2174 }
2175
2176
2177 /**************************************************************************
2178  *           UnlockFile   (KERNEL32.703)
2179  */
2180 BOOL WINAPI UnlockFile(
2181         HFILE hFile,DWORD dwFileOffsetLow,DWORD dwFileOffsetHigh,
2182         DWORD nNumberOfBytesToUnlockLow,DWORD nNumberOfBytesToUnlockHigh )
2183 {
2184   FILE_OBJECT *file;
2185   struct flock f;
2186
2187   TRACE("handle %d offsetlow=%ld offsethigh=%ld nbyteslow=%ld nbyteshigh=%ld\n",
2188                hFile, dwFileOffsetLow, dwFileOffsetHigh,
2189                nNumberOfBytesToUnlockLow, nNumberOfBytesToUnlockHigh);
2190
2191   if (dwFileOffsetHigh || nNumberOfBytesToUnlockHigh) {
2192     WARN("Unimplemented bytes > 32bits\n");
2193     return FALSE;
2194   }
2195
2196   f.l_start = dwFileOffsetLow;
2197   f.l_len = nNumberOfBytesToUnlockLow;
2198   f.l_whence = SEEK_SET;
2199   f.l_pid = 0;
2200   f.l_type = F_UNLCK;
2201
2202   if (!(file = FILE_GetFile(hFile,0,NULL))) return FALSE;
2203
2204   DOS_RemoveLock(file, &f);     /* ok if fails - may be another wine */
2205
2206   /* FIXME: Unix locking commented out for now, doesn't work with Excel */
2207 #ifdef USE_UNIX_LOCKS
2208   if (fcntl(file->unix_handle, F_SETLK, &f) == -1) {
2209     FILE_SetDosError();
2210     return FALSE;
2211   }
2212 #endif
2213   return TRUE;
2214 }
2215 #endif
2216
2217 /**************************************************************************
2218  * GetFileAttributesEx32A [KERNEL32.874]
2219  */
2220 BOOL WINAPI GetFileAttributesExA(
2221         LPCSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2222         LPVOID lpFileInformation)
2223 {
2224     DOS_FULL_NAME full_name;
2225     BY_HANDLE_FILE_INFORMATION info;
2226
2227     if (lpFileName == NULL) return FALSE;
2228     if (lpFileInformation == NULL) return FALSE;
2229
2230     if (fInfoLevelId == GetFileExInfoStandard) {
2231         LPWIN32_FILE_ATTRIBUTE_DATA lpFad =
2232             (LPWIN32_FILE_ATTRIBUTE_DATA) lpFileInformation;
2233         if (!DOSFS_GetFullName( lpFileName, TRUE, &full_name )) return FALSE;
2234         if (!FILE_Stat( full_name.long_name, &info )) return FALSE;
2235
2236         lpFad->dwFileAttributes = info.dwFileAttributes;
2237         lpFad->ftCreationTime   = info.ftCreationTime;
2238         lpFad->ftLastAccessTime = info.ftLastAccessTime;
2239         lpFad->ftLastWriteTime  = info.ftLastWriteTime;
2240         lpFad->nFileSizeHigh    = info.nFileSizeHigh;
2241         lpFad->nFileSizeLow     = info.nFileSizeLow;
2242     }
2243     else {
2244         FIXME("invalid info level %d!\n", fInfoLevelId);
2245         return FALSE;
2246     }
2247
2248     return TRUE;
2249 }
2250
2251
2252 /**************************************************************************
2253  * GetFileAttributesEx32W [KERNEL32.875]
2254  */
2255 BOOL WINAPI GetFileAttributesExW(
2256         LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId,
2257         LPVOID lpFileInformation)
2258 {
2259     LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFileName );
2260     BOOL res =
2261         GetFileAttributesExA( nameA, fInfoLevelId, lpFileInformation);
2262     HeapFree( GetProcessHeap(), 0, nameA );
2263     return res;
2264 }